<?php
/**
 * Smarty plugin
 * @package Smarty
 * @subpackage plugins
 */


/**
 * Smarty {eval} function plugin
 *
 * Type:     function<br>
 * Name:     eval<br>
 * Purpose:  evaluate a template variable as a template<br>
 * @link http://smarty.php.net/manual/en/language.function.eval.php {eval}
 *       (Smarty online manual)
 * @author Monte Ohrt <monte at ohrt dot com>
 * @param array
 * @param Smarty
 */
function smarty_function_eval($params, &$smarty)
{

	if (!isset($params['var'])) {
		$smarty->trigger_error("eval: missing 'var' parameter");
		return;
	}

	if($params['var'] == '') {
		return;
	}

	$smarty->_compile_source('evaluated template', $params['var'], $_var_compiled);

	ob_start();
	$smarty->_eval('?>' . $_var_compiled);
	$_contents = ob_get_contents();
	ob_end_clean();

	if (!empty($params['assign'])) {
		$smarty->assign($params['assign'], $_contents);
	} else {
		return $_contents;
	}
}

/* vim: set expandtab: */

?>
